Water-spout, Benjamin Franklin, 1806
Franklin's theory of the wind field associated with a waterspout showing the winds rushing in directly from all quarters as opposed to a spiral wind pattern from an area surrounding the spout. In "The complete works in philosophy, politics, and morals, of the late Dr. Benjamin Franklin", 1806. A waterspout is a tornado occurring over water that forms a column of water and mist extending between the surface and the clouds above. Waterspouts have a five-part life cycle: formation of a dark spot on the water surface, spiral pattern on the water surface, formation of a spray ring, development of the visible condensation funnel, and ultimately decay. Benjamin Franklin (1706-1790), American scientist, inventor and statesman. Franklin showed that lightning is electricity by flying a kite carrying a metal key during a thunderstorm. This led to his invention of the lightning rod to protect buildings from lightning strikes. He also invented fins for swimming, bifocal glasses, a urinary catheter and showed that evaporation cooled objects. In between all this, he also found time to found the USA, help shape the revolution and be a signatory of the Declaration of Independence.
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